<template>
<div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
     <el-card>
        <el-row :gutter='20'>
             <el-col :span='8'>
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear='getGoodsList'>
                <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                </el-input>
             </el-col>
             <el-col :span='4'>
                 <el-button type='primary' @click="goAddpage">添加商品</el-button>
             </el-col>
         </el-row>

         <!-- table表格区域 -->
        <el-table :data='goodslist' border stipe>
             <el-table-column type='index'></el-table-column>
             <el-table-column label='商品名称' prop='goods_name'></el-table-column>
             <el-table-column label='商品价格(元)' prop='goods_price' width='95px'></el-table-column>
             <el-table-column label='商品重量' prop='goods_weight' width='70px'></el-table-column>
             <el-table-column label='创建时间' width='140px' prop='add_time'>
                 <template slot-scope="scope">
                    {{scope.row.add_time | dataFormat}}
                 </template>
             </el-table-column>
             <el-table-column label='操作' width='130px'>
                 <template slot-scope="scope">
                    <el-button type='primary' size='mini' icon='el-icon-edit'></el-button>
                    <el-button type='danger' size='mini' icon='el-icon-delete' @click='removeById(scope.row.goods_id)'></el-button>
                 </template>
             </el-table-column>
        </el-table>
        <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total" background>
        </el-pagination>
     </el-card>
</div>
  
</template>

<script>
export default {
    data(){
        return{
            // 查询参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            // 商品条数
            goodslist:[],
            // 总数据条数
            total:0
        }
    },
    created(){
        this.getGoodsList()
    },
    methods:{
        // 根据分类获取对应的商品列表
        async getGoodsList(){
            const {data:res} = await this.$http.get('goods',{params:this.queryInfo})
            if(res.meta.status != 200){
                return this.$message.error('获取商品列表失败')
            }
            this.$message.success('获取商品列表成功')
            this.goodslist = res.data.goods
            this.total = res.data.total
        },

        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        async removeById(id){
            const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err=>err)
            if(confirmResult !== 'confirm'){
                return this.$message.info('已取消删除！')
            }
            
            const {data:res} = await this.$http.delete(`goods/${id}`)
            if(res.meta.status != 200){
                return this.$message.error('删除失败！')
            }
            this.$message.success('删除成功！')
            this.getGoodsList()
        },
        goAddpage(){
            this.$router.push('/goods/add')
        }
    }
}
</script>

<style lang='less' scoped>

</style>